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Family Practice

Thomas B. Rehder Iii, DO

Works at hospitals in Santa Maria, CA · California

Summary

Dr. Thomas B. Rehder Iii, DO is a family doctor at 235 S Palisade Dr, Santa Maria, CA 93454. Phone: (805) 739-3561. Accepts Medicare assignment. In 2024, Thomas B. Rehder Iii had 154 Original Medicare patients and 460 services. NPI 1679101737. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 235 S Palisade Dr, Santa Maria, CA 93454 · Directions
  • Phone: (805) 739‑3561
  • Medicare: Accepts Medicare assignment
  • Hospital: Marian Regional Medical Center
  • Group practice: Pacific Central Coast Health Centers
  • Medical school: Pacific Nw Un Of Hs, Col Of Osteopathic Medicine · graduated 2020 (6 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Thomas B. Rehder Iii, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Thomas B. Rehder Iii accept Medicare assignment?
Yes. Medicare's clinician data says Thomas B. Rehder Iii accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Thomas B. Rehder Iii see?
In 2024, CMS data shows 154 Original Medicare patients and 460 services for Thomas B. Rehder Iii. This counts Original Medicare only and measures volume, not quality.
What is Thomas B. Rehder Iii's NPI number?
1679101737. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Thomas B. Rehder Iii, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients154
Services billed to Medicare460
Different services or procedures52
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)97 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)71 services
  3. Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg (J0702)50 services
  4. Aspiration and/or injection of fluid large joint using ultrasound guidance (20611)30 services
  5. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)22 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure74%
  • High cholesterol66%
  • Arthritis47%
  • Diabetes32%
  • Osteoporosis26%
  • Depression21%

Hospitals where Thomas B. Rehder Iii works

Medicare's Facility Affiliation Data lists Thomas B. Rehder Iii at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Marian Regional Medical CenterSanta Maria, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050107

Practice locations

Addresses where Thomas B. Rehder Iii is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Thomas B. Rehder Iii as a member of this group (CMS data updated October 2, 2026).

  • Pacific Central Coast Health Centers253 clinicians in the group

Specialties

Find other Family Practice doctors in California →

Other family doctors in Santa Maria

Clinicians with the same Medicare primary specialty in Santa Maria, CA — not a recommendation.

All family doctors in Santa Maria →

Other clinicians in Pacific Central Coast Health Centers

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialDO
Medical schoolPacific Nw Un Of Hs, Col Of Osteopathic Medicine
Graduation year2020 (6 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1679101737
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians